Feature: 1. Turn non‑Bluetooth universal speaker with 30 pin connector into wireless Bluetooth speaker, enjoy your favorite songs freely (please type "0000" if asked for password),then you can release for IOS player permanently. 2. No battery in product, powered by 30 pin base speaker, easy to operate, plug and play. 3. Support for A2DP V1.2, compatible with all A2DP stereo Bluetooth transmitter adapter (including any Bluetooth version for Android/ IOS system or phone of any operating system), everywhere. 4. 30 pin Bluetooth music receiver is lightweight, portable,easy to carry, small size. 5. Advanced version of Bluetooth 5.0 chip, high music quality, can help you enjoy low delay music playback fun. Specification: Condition: 100% Brand New Item Type: 30PIN Bluetooth Audio Receiver Material: ABS Color: Black Quantity: 1PCS Main Chip: BK3266 .Bluetooth Specification: Bluetooth V5.0 Support Bluetooth Protocol: A2DP AVRCP Receive Connection: One Working Voltage: DC 5V Wireless Transmission Range: > 10 m/32.8ft Transmitted Power: CLASS2 Frequency Range: 2.4GHz-2.480GHz External Interface: 30 Pin Female Docking Audio Port Weight: Approx.25g/0.9oz Package List: 1 x Receiver 1 x User Guide